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/*
* Apple Peripheral System Controller (PSC)
*
* The PSC is used on the AV Macs to control IO functions not handled
* by the VIAs (Ethernet, DSP, SCC).
*/
#define PSCBASE 0x50F31000
/*
* The IER/IFR registers work like the VIA, except that it has 4
* of them each on different interrupt levels.
*/
#define pIFR3 0x130
#define pIFR4 0x140
#define pIFR5 0x150
#define pIFR6 0x160
#define pIER3 0x134
#define pIER4 0x144
#define pIER5 0x154
#define pIER6 0x164
/*
* Ethernet Control Registers
*/
#define PSC_ENETRD_CTL 0xc10
#define PSC_ENETWR_CTL 0xc20
/*
* Receive DMA channel (add +0x10 for 2nd channel)
*/
#define PSC_ENETRD_ADDR 0x1020
#define PSC_ENETRD_LEN 0x1024
#define PSC_ENETRD_CMD 0x1028
/*
* Transmit DMA channel (add +0x10 for 2nd channel)
*/
#define PSC_ENETWR_ADDR 0x1040
#define PSC_ENETWR_LEN 0x1044
#define PSC_ENETWR_CMD 0x1048
/*
* Access functions
*/
extern volatile unsigned char *psc;
extern inline void psc_write_word(int offset, u16 data)
{
*((volatile u16 *)(psc+offset)) = data;
}
extern inline void psc_write_long(int offset, u32 data)
{
*((volatile u32 *)(psc+offset)) = data;
}
extern inline u16 psc_read_word(int offset)
{
return *((volatile u16 *)(psc+offset));
}
extern inline u32 psc_read_long(int offset)
{
return *((volatile u32 *)(psc+offset));
}
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